USS O-10 (SS-71)

O Class Submarine

Affiliation United States Navy
Max Displacement 520
Main Weapons 1
Sub Guns No
Torpedo 4 tubes (forward)
Depth Charges No
Has Camouflage No
Cost //Information Required//
REXP //Information Required//
REXP Gain Rate 10%
Required Level 18 (//Information Required//)
Upgraded From Atlanta Class
Upgrades Into S Class (USN)

The United States Navy's sixteen O-class submarines were created out of the lessons learned from the L class. The O class were about 80 tons larger than the L class, with greater power and endurance for ocean patrols. Due to the American entry into World War I the O class were built much more rapidly than previous classes, and were all commissioned in 1918. O-1 through O-10 were group 1, designed byElectric Boat, O-11 through O-16 were group 2, designed by the Lake Torpedo Boat Company and sometimes considered a separate class. The group 2 boats entered service just before the end of World War I. Eight of the group 1 boats survived to serve in World War II as training boats when they were recommissioned in 1941.

The O class were built by five shipyards: O-1 by Portsmouth Navy Yard,Kittery, Maine, O-2 by Puget Sound Navy Yard, Bremerton, Washington,O-3 through O-10 by Fore River Shipyard, Quincy, Massachusetts, O-11 through O-13 by Lake Torpedo Boat Company, Bridgeport, Connecticut, and O-14 through O-16 by California Shipbuilding (formerly Craig Shipbuilding), Long Beach, California.

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